天气预报 > 其他 > 鸭传染性浆膜炎临床症状是怎样的
鸭传染性浆膜炎临床症状是怎样的
更新时间: 2019-01-11 00:00:00  

最急性辣的病鸭往往不表现明显症状耆睡,眼睛有黏性液体流出,鼻分泌物增多,咳嗽,打喷嚏,射头,嘴抵地面,腿软无力,不愿 走动。常可见病鸭仰卧在地上或侧身倒地,双脚痉挛,腹秽,临死前多出现神经症状,呈角弓反张,出现症状1〜2天圬死亡。4〜7周龄的小鸭多呈倦,食欲不振或废绝,拉黄褐色稀便,迅速消瘦,发育不良,伏地,不愿走动,有的病鸭痉挛 性点头或摆尾,少数病例头顶歪斜,作转圈运动,一般终归 死亡。7周龄以上鸭很少发疴。

关键词: 传染性 浆膜 临床 症状 怎样

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